H12-261-ENU (Written)(Huawei Certified Internetwork Expert-Routing & Switching)

Please prepare for Huawei HCIE-R&S certification H12-261 HCIE-R&S (Written)(Huawei Certified Internetwork Expert-Routing & Switching) exam with Huawei HCIE Routing and Switching H12-261-ENU Exam Questions. Huawei Certification H12-261-ENU HCIE-R&S Practice Questions ensure you pass Huawei HCIE-R&S certification H12-261 Written exam.

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Start to test:

1. In the following Huawei device, which description about port mirroring is correct?

A. Huawei devices support to make control flow which gets to the CPU be port mirroring.

B. If observing that port congestion occurs, due to the priority of mirrored packets is high, so it will not be discarded.

C. Huawei device supports flow-based port mirroring, and mirroring stream can be copied to multiple observing ports.

D. The traffic in RSPAN transmit to the observing port via multicast way.

Question 1 of 20

2. IPv6 introduces Solicited-Node address, which of the following description about the address is correct?

A. This is a particular address, it is used to resolve MAC addresses in ARPv6.

B. router interface's Solicited-Node Address is generated automatically, and can have more than one.

C. If you do not configure Solicited-Node address, the router will automatically generate one on each interface.

D. IPv6 introduces Solicited-Node address is to support IPv6 multicast.

Question 2 of 20

3. HW network provide MPLS VPN services for customers.

In HW network, there is a MPLS label stack bottom bit setted to 1, which of the following description on the label is correct?

A. bottom of the stack bit is Huawei proprietary implementations, and only be used when the LDP acts as the label distribution

B. bottom of the stack bit is reserved for future

C. bottom of the stack bit will be used only when LDP acts as a distribution label

D. when the bottom of the stack bit is set to 1, it indicates that the label is the top label, and remains at 1 until the label stack leaving only the stack bottom label

E. when bottom of the stack bit is set to 1, it indicates that the label is the bottom label

Question 3 of 20

4. You need to configure policy routing on the router to specify a particular traffic through an interface to forward.

When using policy-based routing, which of the two most typical information can be used to make traffic forward along a specific path?

A. TTL and source IP address of the packet

B. source IP address and the second floor source address

C. source IP address and a specific protocol (such as FTP, HTTP, etc.)

D. service type header and message length

Question 4 of 20

5. LS serial number field is used to detect the outdated and duplicate LSA. This field is a 32bit signed integer, so the smallest serial number is 0x80000000.

A. TRUE

B. FALSE

Question 5 of 20

6. Based on DSCP, which option description is correct?

A. IP precedence and DSCP have no overlap part

B. DSCP's CS is backward compatible with IP precedence

C. DSCP and IP precedence is completely the same; the name change is just the practice of marketing orders

D. DSCP's last two bit and IP precedence overlapping

E. DSCP only for TCP, IP precedence only for UDP

Question 6 of 20

7. In traffic monitoring policing, using double barrel double speed, the number of tokens in C bucket is TC, the number of tokens in P bucket is TB. When a message whose length is B enters, which of the description is correct? (Please select three correct answers)

A. If TP-B>0 and TC-B>0, the message is marked green

B. If TP-B>0 and TC-B<0, the message is marked yellow

C. If TP-B<0 and TC-B<0, the message is marked red

D. If TP-B>0 and TC-B<0, the message is marked green

Question 7 of 20

8. What characteristics does Syslog information have? (Multiple Choice)

A. Syslog message transmission is reliable

B. Syslog message transmission is safe

C. Syslog message Transmission is confirmable

D. Syslog message transmission is not reliable

E. Syslog message Transmission is not confirmable

F. Syslog transmission is unsafe

Question 8 of 20

9. The users want the router to forward the packet and choose the routing according to their own defined policy and based on traditional routing forwarding. In order to implement the goal, you can use policy routing.

Which of the following description about policy routing is wrong?

A. policy routing can not be used to set the IP precedence

B. policy routing can't set the DSCP routing in a statement

C. policy routing can set the next-hop IP address

D. policy routing can be used to match a message length

Question 9 of 20

10. Which of the following description about OSPF adjacency and link-state database synchronization is correct?

A. When the OSPF router status reaches LOADING state, then FULL adjacency forms

B. adjacency begins from EXSTART state

C. In the broadcast network, FULL adjacency will be formed among all routers

D. INIT state indicates that the router has received Hello message from the neighbor, and the Hello message has already contained its own Router ID

Question 10 of 20

11. In Huawei devices, when ISIS imports external routes and set routing information's external route tag, ISIS's Metric keep the default type without modification.

A. True

B. False

Question 11 of 20

12. What is the correct order of using TCP port 443,179,137,110 and 23 protocols?

A. BGP, POP3, SNMP, TFTP, Telnet

B. LDAP, SNMP, TFTP, POP3, Telnet

C. HTTPS, SNMP, POP3, DNS, Telnet

D. Finger, DHCP Server, NetBios Name Server, POP3, Telnet

E. HTTPS, BGP, NetBios Name Server, POP3, Telnet

Question 12 of 20

13. Which of the following is access control method which is provided by the NAC? (Multiple choice)

A. 802.1x authentication

B. AAA authentication

C. MAC address authentication

D. Web authentication

Question 13 of 20

14. command: lp ip-prefix ip-prefix-name [ index index-number ] { permit | deny } ipv4-address mask-length [ greater-equal greater-equal-value ] [ less-equal less-equal-value ] is used to configure IP-prefix-filter.

If a prefix list less-equal has been specified, but greater-equal is not specified, then what is the range of prefix?

A. [0, less-equal-value]

B. [mask-length, less-equal-value]

C. [less-equal-value, 32]

D. No Limit

Question 14 of 20

15. When the router builds its own routing table according to the routing entries which are learn from different routing protocols, which of the routing entries will be added to the routing table?

A. has a maximum preference value's routing entry

B. the routing table with low Router ID

C. route entry with largest next-hop address

D. the route entry which has the fastest routing process

E. unique routing entry

Question 15 of 20

16. You are to complete a job that is to try to compress the length of the IPv6 address.

Existing IPv6 address is 2013:0000:130F:0000:0000:09C0:876A:130B, in order to enable the IPv6 address more concise, which kind of the following the IPv6 address can be compressed into?

A. 2013:0:130F:0:0:09C0:876A:130B

B. 2013::130F::9C0:876A:130B

C. 2013:0:130F:0:0:9C0:876A:130B

D. 213::13F::9C:876A:13B

E. 2013:0:130F::9C0:876A:130B

Question 16 of 20

17. The following on ISIS LSP fragment extension description, which is correct?

A. make ISIS router generate more LSP fragments to carry more ISIS information.

B. ISIS fragment extension is also valid to the Hello packets.

C. ISIS fragment extension is implemented by adding a virtual system, it can be extended up to 1000 virtual systems.

D. The number of fragments that ISIS router can generate is up to 1024.

Question 17 of 20

18. In HW MPLS network, which parameters are used to define a forwarding equivalence class? (Multiple choice)

A. IP prefix

B. Layer 2 link

C. BGP MED value

D. RSVP reserve from CE request resource

Question 18 of 20

19. What description about 802.1 s deployment characteristics in the following is correct?

A. multiple network bridge share a spanning tree instance

B. all VLAN sharing a spanning tree instance

C. each VLAN sharing a spanning tree instance

D. more than one VLAN sharing a spanning tree instance

Question 19 of 20

20. In the MPLS VPN network, some devices maintain VPN routing information and the private information to ensure it can forward VPN packets. These devices not only need to run routing protocol but also need to run the MP-BGP and MPLS protocols. What type are these devices?

A. CE

B. PE

C. P

D. Host

Question 20 of 20

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H12-261-ENU (Written)(Huawei Certified Internetwork Expert-Routing & Switching)

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